Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of April 2022. For more information, please see Climatological Rankings.


Idaho

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2009
1-Month
19.8°F
(-6.8°C)
23.9°F
(-4.5°C)
-4.1°F
(-2.3°C)
19th Coolest Coolest since: 1990 1990
109th Warmest Warmest since: 2008 1917
Ties: 1931
Nov–Dec 2009
2-Month
26.4°F
(-3.1°C)
27.8°F
(-2.3°C)
-1.4°F
(-0.8°C)
33rd Coolest Coolest since: 2000 1985
95th Warmest Warmest since: 2008 1917
Ties: 1956
Oct–Dec 2009
3-Month
30.8°F
(-0.7°C)
33.3°F
(0.7°C)
-2.5°F
(-1.4°C)
16th Coolest Coolest since: 1994 1985
112th Warmest Warmest since: 2008 1917
Ties: 1971, 1994
Sep–Dec 2009
4-Month
38.1°F
(3.4°C)
38.6°F
(3.7°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 2000 1985
85th Warmest Warmest since: 2008 1917
Ties: 2019
Aug–Dec 2009
5-Month
43.2°F
(6.2°C)
43.5°F
(6.4°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 2000 1985
86th Warmest Warmest since: 2008 1917
Ties: 1975, 1983
Jul–Dec 2009
6-Month
47.0°F
(8.3°C)
47.2°F
(8.4°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 2000 1985
82nd Warmest Warmest since: 2008 1917
Ties: 1944, 1946, 1957
Jun–Dec 2009
7-Month
48.3°F
(9.1°C)
48.5°F
(9.2°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1993 1985
85th Warmest Warmest since: 2008 2021
Ties: 1946, 1959, 1975, 1976
May–Dec 2009
8-Month
48.6°F
(9.2°C)
48.6°F
(9.2°C)
0.0°F
(0.0°C)
50th Coolest Coolest since: 1993 1916
78th Warmest Warmest since: 2008 2021
Ties: 1942, 1976
Apr–Dec 2009
9-Month
47.8°F
(8.8°C)
47.8°F
(8.8°C)
0.0°F
(0.0°C)
51st Coolest Coolest since: 1995 1916
77th Warmest Warmest since: 2008 2021
Ties: 1954, 1957, 1995
Mar–Dec 2009
10-Month
46.1°F
(7.8°C)
46.2°F
(7.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1993 1916, 1985
79th Warmest Warmest since: 2008 1934
Ties: 1907, 1914, 1942
Feb–Dec 2009
11-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
50th Coolest Coolest since: 1993 1985
78th Warmest Warmest since: 2008 1934
Ties: 1897, 1930, 1933, 1960
Jan–Dec 2009
12-Month
42.8°F
(6.0°C)
42.6°F
(5.9°C)
0.2°F
(0.1°C)
64th Coolest Coolest since: 2008 1985
64th Warmest Warmest since: 2007 1934
Ties: 1896, 1914, 1946, 1969, 1973, 1989
Jul 2008–Dec 2009
18-Month
44.7°F
(7.1°C)
44.1°F
(6.7°C)
0.6°F
(0.4°C)
83rd Coolest Coolest since: 2008 1985
44th Warmest Warmest since: 2007 1934
Ties: 1907, 1966, 1997
Jan 2008–Dec 2009
24-Month
42.7°F
(5.9°C)
42.6°F
(5.9°C)
0.1°F
(0.0°C)
68th Coolest Coolest since: 1994 1985
59th Warmest Warmest since: 2008 2015, 2016
Ties: 1897, 1900, 1905, 1910, 1938, 1978, 1982
Jan 2007–Dec 2009
36-Month
43.4°F
(6.3°C)
42.6°F
(5.9°C)
0.8°F
(0.4°C)
94th Coolest Coolest since: 1997 1913
32nd Warmest Warmest since: 2008 2016
Ties: 1934, 1942, 1994, 1997
Jan 2006–Dec 2009
48-Month
43.6°F
(6.4°C)
42.6°F
(5.9°C)
1.0°F
(0.5°C)
104th Coolest Coolest since: 1999 1985
21st Warmest Warmest since: 2008 2017
Ties: 1940, 1942, 1992, 1997, 1998, 1999, 2013
Jan 2005–Dec 2009
60-Month
43.6°F
(6.4°C)
42.6°F
(5.9°C)
1.0°F
(0.5°C)
104th Coolest Coolest since: 2000 1913, 1916
20th Warmest Warmest since: 2008 2016, 2018
Ties: 1941, 1991, 1999, 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 18, 2022 from https://www.ncdc.noaa.gov/cag/